public class A1_2 {
    public static class Building
    {
       public College theCollege;
       public Course theCourse;

       /**
       @roseuid 672752CD037D
        */
       public Building()
       {

       }
    }

    public static class College
    {
       public Building theBuilding;
       public Course theCourse;

       /**
       @roseuid 672752CD03C9
        */
       public College()
       {

       }
    }

    public static class Course
    {
       public College theCollege;
       public Building theBuilding;

       /**
       @roseuid 672752CE0028
        */
       public Course()
       {

       }
    }
}
